Raisecom
RC3000-15 (P100R001) Hardware Description
12 Telecontrol service cards
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
185
Table 12-10
Parameters of the ST interface
Parameter
Description
Interface type
Multi-mode dual-fiber ST (namely, BFOC/2.5) female
interface
Typical loss
0.3 dB
Pluggable times
< 0.3 dB: 1000 times
Temperature stability
-40 to 75°C: incremental loss < 0.3 dB
Axial load
35 lb
Service bandwidth
N×64 kbit/s, N = 1–12
Clock frequency
2048 kbit/s (±100 ppm)
Jitter
Output: ±50ns (±0.1 UI)
Input tolerance: ±100ns
Wander
±250ns (±0.5 UI)
Output level
Average optical power of 50 μm fiber: -23.0 to -11.0 dBm
Average optical power of 62.5 μm fiber: -19.0 to -11.0 dBm
Optical signal in ON status indicates logical 1; logical 1
level which is smaller than 10% indicates logical 0.
Center emission
wavelength
830±40 nm
Rx sensitivity
BER < 1.0E-9 (namely, no bit error): the average optical
power is -28 dBm.
Fiber
850 nm MMF, 50 μm or 62.5 μm
Maximum transmission
distance (dependent on
link signal attenuation)
2–4 km
Lightning protection
level
Contact discharge: ±8 kV
Air discharge: ±15 kV
12.2.5 LEDs
Table 12-11 lists LEDs on the TP card.
Table 12-11
LEDs on the TP card
LED
Color
Description
PWR
Green
Power LED
Green: the power supply is normal.
Off: the power supply is abnormal.